Presses



(No Model.)

, J. L. COX.

ROTARY INK FOUNTAIN FOR PRINTING PRESSES.

No. 463,103. Patented N0v. 10,1891.

WIZ/VIJSSES [/VVEW] 072 W M CAM Q U AZMMZ UNITED STATES JOSEPH L. COX, OF BATTLE CREEK, MICHIGAN, ASSIGNOR TO PRINTING PRESS COMPANY, OF SAME PLACE.

PATENT ()EEIcE.

THE DUPLEX ROTARY INK-FOUNTAIN FOR PRINTlNG-PRESSES.

SPECIFICATION forming part of Letters Patent No. 463,103, dated November 10, 1891. Application filed January 17, 1891. Serial No 378,101 (No model.)

To all whom it may concern:

Be it known that I, JOSEPH L. COX, of Battle Creek, in the county of Calhoun and State of Michigan, have invented certain new and useful Improvements in Rotary Ink-Fountains for Printing-Presses; and I do hereby declare that the followingis a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the let to ters of reference marked thereon, which form part of this specification, in which Figure 1 is a transverse sectional view of my improved combined ink-fountain and distributing-roll and ductor-roller. Fig. 2 is an end I 5 view, and Fig. 3 a detail side elevation, thereof,

illustrating a means for operating the ductorroller. Fig. 4 is a detail view.

This invention is an improvement in rotary inlcfountains for printing-presses; and

it consists in the novel construction and combination of parts,hereinafter clearly described and claimed.

Referring to the drawings by letters, A designaies a hollow roll or cylinder, having trunnions or shafts by which it can be suitably journaled in the frame of a printing-press, and one of said trunnions a is hollow and is preferably connected with an ink-reservoir to supply ink to the interior of the cylinder by a force-pump and pipes (not shown) orin any other suitable manner. The roll has a longitudinal slot b in it, which slot is closed by a roller B, journaled in the end Walls of the cylinder, the periphery of roller B projecting 3 5 evenly with the periphery of roll A. The roll A is revolved by any proper means, (not shown,) so that the ink in the interior thereof is thrown outward against the shell thereof by centrifugal action and against roller B,

0 which as the roll revolves will deliver a small quantity of ink to the distributing-rollers D D, journaled beside the roll A and running against the face thereof, which thus forms a distributing roll for disseminating the ink, as

5 well as asnpply-fountain. The form-rollers (not shown) may be arranged to contact with roll A or the distributing-rollcrs D, as maybe desirable. I preferably positively rotate roller B, which I call the ductor-roller, at intervals, so as to regulate the quantity of ink delivered to the distributing-rollers. One means of doing this I show herein.

One journal of roller B projects beyond the end of the roll and on it is fixed a ratchet C, which is engaged by a dog or brake-spring c to prevent casual rotation of the roller.

L designates a spring-controlled dog engaging ratchet C and carried by a swinging arm M, hung on the journal of roller B or on a stud projecting from the end of roll A, so that it can be oscillated to gradually revolve the roller B. The arm M is connected by a pitman K with a crank-pin 70, preferably adj ustably connected to a gear J, journaled on a stud j on the end of the roll. Gear J meshes with a small pinion 2' on a sleeve mounted on a stud h, fixed on the end of the roll, and on the outer end of said sleeve is fixed a gear H, which meshes with a small annular pinion G, rigidly connected to the frame of the press and through which the trunnion of the roll freely passes. By this arrangement of devices while the roll A revolves the train of gears revolves therewith, moving concentrically around pinion G, and a slow rotative movement is given to gear J-about, say, one revolution for three of the roll. This movement of gear J through the pitman and dogs imparts a partial movement to roller B, as is obvious, the amount of the rotative movement of roller B being regu- 8o lated by the position of the pin 70, which can be set so as to vary the throw of dog L. By this construction the ink is continuously agitated within the roll, is kept perfectly free from dust, is disseminated on the face of the roll, and lessens the cost of the inking apparatus, as the ink-fountain becomes also a disseminating or distributing roll.

In the practical construction of the inkfountain the roll is made in two parts, so as to facilitate the insertion and fitting of the ductor-roller or valve and to enable the roll to be cleaned, if found necessary.

Having described my invention, what I claim as new, and desire to secure by Letters Patent is 1. The combination of the hollow ink-l1olding slotted roll, a revoluble roller journaled therein and occupying the slot thereof, the ratchet-wheel, movable pawl, its operating-le- 10o ver, and gearing for intermittently revolving I and the fixed gear for operating the said resaid roller independently of its revolution by and with the roll, substantially as and for the purpose specified.

voluble gears, substantially as and for the purpose set forth. 4

In testimony that I claim the foregoing as my own I affix my signature in presence of two witnesses.

JOSEPH L. COX.

\Vitnesses:

T. H. ALEXANDER, S. BRASHEARS. 

